CN111899602A - Intelligent multifunctional computer science and technology display device - Google Patents

Abstract

The invention provides an intelligent and multifunctional computer science and technology display device, comprising a display rack, an inner threaded hole, an adjusting screw, a rotating handle, a supporting foot and a movable caster, and the inner four corners of the display rack are An inner threaded hole is opened; the longitudinal thread of the adjusting screw is connected to the inside of the inner threaded hole. The sample placement rack, the adjustment tube, the adjustment bolt, the fixed baffle, the selection hole, the selection bolt and the movable splint of the present invention are favorable for placing multiple samples and facilitate teaching and demonstration operations. On the upper part, select the appropriate selection hole, insert the selection bolt into the inner part of the appropriate selection hole, and connect and fix it with the movable splint. Loosen the adjustment bolt, you can also adjust the position of the adjustment tube, and then lock the adjustment bolt after confirming the position to ensure the display effect.

Description

An intelligent multifunctional computer science and technology display device

technical field

The invention belongs to the technical field of computer science and technology teaching, in particular to an intelligent multifunctional computer science and technology display device.

Background technique

The use of computers is becoming more and more extensive, and the number of users is increasing. Therefore, computer science and technology, as a basic subject, is also playing an increasingly important role.

At present, the teaching of computer science and technology adopts a combination of theory and practice. The teaching samples involved are usually precision electronic products, which are difficult for students to understand when they are closely explained by oral explanation. Therefore, they need to be displayed intuitively, which is more conducive to students' systematic, Good grasp of basic computer knowledge. Existing teaching sample display devices are widely used.

However, the existing teaching sample display device still has the problems that it cannot place a variety of teaching samples, does not have the function of rolling teaching display, has poor protection effect and does not have the function of teaching writing display.

Therefore, it is very necessary to invent an intelligent multifunctional computer science and technology display device.

SUMMARY OF THE INVENTION

In order to solve the above technical problems, the present invention provides an intelligent multi-functional computer science and technology display device, so as to solve the problem that the existing teaching sample display device cannot place a variety of teaching samples, does not have the function of rolling teaching display, and protects the The problem of poor effect and lack of teaching writing display function. An intelligent and multifunctional computer science and technology display device, including a display rack, an internal thread hole, an adjusting screw, a rotating handle, a support foot, a mobile caster, a control box, an intelligent host, a battery, a wireless communication module, a support Machine column, adjustable teaching sample display seat structure, rolling protective teaching display cloth structure, adjustable auxiliary lighting teaching writing display board structure and automatic protection teaching dustproof protective cloth structure, the inner four corners of the display rack Both are provided with internal threaded holes; the adjusting screw is longitudinally threaded to the inside of the internal threaded hole; one end of the adjusting screw is threadedly connected to the inside of the rotating handle, and the other end is bolted to the upper middle part of the support foot; the The bottom four corners of the display rack are bolted with moving casters; the inner right side of the display rack is screwed with a control box; the inside of the control box is screwed with a smart host from left to right. , battery and wireless communication module; the upper middle part of the display frame is longitudinally bolted with a support machine column; the support machine column is connected with an adjustable teaching sample display seat structure, a rolling protective teaching display cloth structure and An adjustable auxiliary lighting teaching writing display board structure; the rolling protective teaching display cloth structure is connected with the automatic protective teaching dustproof protective cloth structure; the adjustable teaching sample display seat structure includes a sample placing rack, Adjusting pipe, adjusting bolt, fixing baffle, selecting hole, selecting bolt and movable splint, the left end of the sample placing rack is bolted with the adjusting pipe; the front part of the adjusting pipe is threadedly connected with adjusting bolts; The upper left side of the sample placement rack is bolted with a longitudinally arranged fixed baffle; the interior of the sample placement rack is provided with selection holes in turn from left to right; the selection bolt penetrates through any one of the selection holes inside the hole, and screw the movable splint.

Preferably, the rolling protective teaching display cloth structure includes a protective top plate, a vertical seat, a long-axis rolling motor, a deep groove ball bearing, a rotating shaft and a teaching display cloth body, and the middle part of the lower right side of the protective top plate is connected by bolts The vertical seat is arranged vertically; the horizontal screw on the upper right side of the vertical seat is connected with a long-axis rolling motor; the inner lower side of the vertical seat is inlaid with a deep groove ball bearing; the horizontal right end of the rotating shaft The interference fit is arranged on the inner ring of the deep groove ball bearing; the teaching display cloth body is rolled and sleeved on the outside between the output shaft and the rotating shaft of the long-axis rolling motor.

Preferably, the structure of the adjustable auxiliary lighting teaching writing display board includes an angle adjustment push rod, a connecting seat, a movable plate, a connecting seat, a teaching display writing board, a support seat and an auxiliary lighting lamp tube. One end of the rod is connected to the inside of the connecting seat, and the other end is connected to the inner middle and lower side of the movable plate; the lower end of the movable plate is connected to the inside of the connecting seat; The writing board is displayed; the upper end of the movable board is bolted to the horizontally arranged support base; the lower left side of the support base is screwed with an auxiliary lighting tube.

Preferably, the structure of the automatic protection teaching dustproof protection cloth includes a protective machine board, a machine base, an automatic rotation deceleration motor, a rotating shaft, a teaching protective mesh cloth and a counterweight, and the lower left side of the protective machine board is bolted to the machine base. ; The upper left side of the base is screwed with an automatic rotation deceleration motor; the output shaft of the automatic rotation deceleration motor runs through the interior of the base, and is connected to the left end of the rotating shaft through a coupling; The upper part is screwed on the outer wall of the rotating shaft; the lower left and right sides of the teaching protective mesh are screwed with counterweights.

Preferably, a plurality of the adjusting pipes and adjusting bolts are used, and the adjusting pipes are sequentially sleeved on the outer wall of the supporting machine column from top to bottom, and are fastened and connected by adjusting bolts.

Preferably, the output shaft of the long-axis rolling motor runs through the interior of the stand.

Preferably, the protective top plate adopts an aluminum alloy plate, and the right lateral part is bolted to the upper end of the supporting machine column.

Preferably, the connecting seat is bolted to the lower left side of the supporting machine column.

Preferably, the connecting seat is bolted to the upper left side of the display rack.

Preferably, the longitudinal lower end of the machine base is bolted to the upper right side of the protective top plate.

Compared with the prior art, the beneficial effects of the present invention are:

1. In the present invention, the sample placement rack, adjustment tube, adjustment bolt, fixed baffle plate, selection hole, selection bolt and movable splint are helpful for placing multiple samples and facilitating teaching and demonstration operations. The sample is placed on the upper part of the sample holder, and then select the appropriate selection hole, insert the selection bolt into the appropriate selection hole, and connect and fix it with the movable splint, then the sample can be fixed and clamped by the fixed baffle and the movable splint. In order to facilitate the display operation, the position of the adjustment tube can also be adjusted by loosening the adjustment bolt. After confirming the position, the adjustment bolt can be locked to ensure the display effect.

2. In the present invention, the setting of the protective roof, the vertical seat, the long-axis rolling motor, the deep groove ball bearing, the rotating shaft and the teaching display cloth body is beneficial to increase the rolling teaching display function. The teacher can pass the wireless signal through the smart phone. By connecting the wireless communication module, the intelligent host can be controlled, so that the intelligent host can control the long-axis rolling motor to operate. At this time, the teaching display cloth body can be rotated with the rotating shaft, and the rolling display teaching work can be carried out. Good auxiliary protective effect to ensure teaching effect.

3. In the present invention, the angle adjustment push rod, the connecting seat, the movable plate, the connecting seat, the teaching display writing board, the supporting seat and the auxiliary lighting tube are arranged, which is conducive to the writing and display work according to the teaching requirements and is easy to operate. , The smart host can be controlled by connecting the wireless communication module with the wireless signal through the smart phone, so that the smart host controls the angle adjustment push rod to move between the connecting seat and the movable plate, and then the position of the movable plate inside the connecting seat can be changed. After the teaching position, the adjustment operation can be stopped. The auxiliary lighting can be used for auxiliary lighting to ensure the teaching effect in rainy weather. The teaching content can be recorded through the teaching display writing board to improve the teaching efficiency.

4. In the present invention, the setting of the described protective machine plate, machine base, automatic rotating deceleration motor, rotating shaft, teaching protective mesh cloth and counterweight block is beneficial to play a good protective effect on the sample. The smart host can be controlled by connecting the wireless communication module through a wireless signal through a smart phone, so that the smart host controls the automatic rotation deceleration motor to drive the shaft to rotate, so that the teaching protective mesh can fall freely with the counterweight, which can play a role in the sample. Good protective effect, avoid the influence of dust, ensure the teaching effect, and can play a good top protective effect through the protective machine board to ensure the protective effect.

5. In the present invention, the setting of the display frame, the inner thread hole, the adjusting screw, the rotating handle and the support foot is beneficial to support and fix the display frame according to the teaching requirements and ensure the stability of teaching operation.

6. In the present invention, the arrangement of the moving casters is favorable for moving the device in multiple positions, and is convenient for multi-classroom teaching and display operations.

7. In the present invention, the configuration of the intelligent host and the wireless communication module is beneficial to intelligent control, facilitates teaching control operations, and ensures convenience of display.

8. In the present invention, the arrangement of the storage battery is beneficial to play a good role in power supply and ensure the effect of teaching and display.

9. In the present invention, the setting of the control box is beneficial to play a good protective role and ensure the working stability of the components at all levels.

10. In the present invention, the arrangement of the support machine column is beneficial to achieve good support stability.

Description of drawings

Figure 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic structural diagram of an adjustable teaching sample display stand structure of the present invention.

FIG. 3 is a schematic structural diagram of the rolling protective teaching display cloth structure of the present invention.

4 is a schematic structural diagram of the structure of the adjustable auxiliary lighting teaching writing display board structure of the present invention.

FIG. 5 is a schematic structural diagram of the automatic protection teaching dust protection cloth structure of the present invention.

In the picture:

1. Display rack; 2. Internal thread hole; 3. Adjusting screw; 4. Rotating handle; 5. Support foot; 6. Mobile caster; 7. Control box; 8. Intelligent host; 9. Battery; 10. Wireless communication module; 11. Supporting machine column; 12. Adjustable teaching sample display base structure; 121. Sample placing rack; 122. Adjusting tube; 123. Adjusting bolt; 124. Fixed baffle; 125. Selection hole; 126 , select bolts; 127, movable splint; 13, rolling protective teaching display cloth structure; 131, protective top plate; 132, vertical seat; 133, long axis rolling motor; 134, deep groove ball bearing; 135, rotating shaft; 136, Teaching display cloth body; 14. Adjustable auxiliary lighting teaching writing display board structure; 141, Angle adjustment push rod; 142, connecting seat; 143, movable board; 144, connecting seat; 145, teaching display writing board; 146, support Seat; 147. Auxiliary lighting tube; 15. Structure of automatic protection and teaching dust-proof protection cloth; 151. Protective machine board; 152. Machine base; 153. Automatic rotating gear motor; ,Counterweight.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings. As shown in Figures 1 and 2, an intelligent multifunctional computer science and technology display device includes a display frame 1, an internal thread hole 2, an adjusting screw 3, Rotating handle 4, supporting feet 5, moving casters 6, control box 7, intelligent host 8, battery 9, wireless communication module 10, supporting machine column 11, adjustable teaching sample display seat structure 12, rolling protective teaching display The cloth structure 13, the adjustable auxiliary lighting teaching and writing display board structure 14 and the automatic protection teaching dustproof protection cloth structure 15, the inner four corners of the display rack 1 are provided with internal threaded holes 2; the adjustment screw 3. The longitudinal thread is connected to the inside of the inner threaded hole 2; one end of the adjusting screw 3 is threadedly connected to the interior of the rotating handle 4, and the other end is bolted to the upper middle part of the support foot 5; the bottom of the display rack 1 The four corners are bolted with movable casters 6; the inner right side of the display rack 1 is screwed with a control box 7; the inside of the control box 7 is screwed with an intelligent host 8 from left to right. The storage battery 9 and the wireless communication module 10; the upper middle part of the display frame 1 is connected with a supporting machine column 11 by longitudinal bolts; the supporting machine column 11 is connected with an adjustable teaching sample display seat structure 12, rolling protection The teaching display cloth structure 13 and the adjustable auxiliary lighting teaching and writing display board structure 14; the rolling protection teaching display cloth structure 13 is connected with the automatic protection teaching dustproof protection cloth structure 15; the adjustable teaching sample The display stand structure 12 includes a sample placement rack 121, an adjustment tube 122, an adjustment bolt 123, a fixed baffle 124, a selection hole 125, a selection bolt 126 and a movable splint 127. The left end of the sample placement rack 121 is bolted with an adjustment bolt. Pipe 122; the front part of the adjustment pipe 122 is screwed with adjustment bolts 123; the upper left side of the sample placement rack 121 is bolted with a longitudinally arranged fixing baffle 124; the sample placement rack 121 There are selection holes 125 opened in sequence from left to right in the inner part of the inner part; the selection bolt 126 penetrates through the interior of any of the selection holes 125, and is threadedly connected to the movable splint 127. By placing the sample on the upper part of the sample placing rack 121, Then select the appropriate selection hole 125, insert the selection bolt 126 into the appropriate selection hole 125, and connect and fix it with the movable splint 127, then the sample can be fixed and clamped by the fixed baffle 124 and the movable splint 127, so as to facilitate the In the display operation, by loosening the adjustment bolt 123, the position of the adjustment pipe 122 can also be adjusted, and after the position is determined, the adjustment bolt 123 can be locked to ensure the display effect.

In this embodiment, as shown in FIG. 3, the rolling protective teaching display cloth structure 13 includes a protective top plate 131, a vertical seat 132, a long-axis rolling motor 133, a deep groove ball bearing 134, a rotating shaft 135 and a teaching display The cloth body 136, the middle part of the lower right side of the protective top plate 131 is bolted to the vertical seat 132; the upper right lateral screw of the vertical seat 132 is connected with the long-axis rolling motor 133; the The inner lower side of the vertical seat 132 is embedded with a deep groove ball bearing 134; the horizontal right end of the rotating shaft 135 is provided with an interference fit on the inner ring of the deep groove ball bearing 134; the teaching display cloth body 136 is rolled and sleeved on the long On the outside between the output shaft of the shaft rolling motor 133 and the rotating shaft 135, the teacher can control the intelligent host 8 by connecting the wireless communication module 10 through the wireless signal through the smart phone, so that the intelligent host 8 controls the long-axis rolling motor 133 to operate, At this time, the teaching display cloth body 136 is rotated in conjunction with the rotating shaft 135, so that the rolling display teaching work can be performed, and the protective top plate 131 can play a good auxiliary protective role to ensure the teaching effect.

In this embodiment, as shown in FIG. 4 , the adjustable auxiliary lighting teaching writing display board structure 14 includes an angle adjustment push rod 141 , a connecting seat 142 , a movable board 143 , a connecting seat 144 , and a teaching display writing board 145 , the support seat 146 and the auxiliary lighting tube 147, one end of the angle adjustment push rod 141 is connected to the inside of the connecting seat 142, and the other end is connected to the inner middle and lower side of the movable plate 143; The lower end is pivotally connected to the inside of the connecting seat 144; the left surface of the movable plate 143 is bolted with a teaching display writing board 145; the upper end of the movable plate 143 is bolted to the horizontally arranged support seat 146; the support seat The lower left side screw of 146 is connected with auxiliary lighting tube 147, and the smart host 8 can be controlled by connecting the wireless communication module 10 through the wireless signal through the smart phone, so that the smart host 8 controls the angle adjustment push rod 141 in the connection seat 142 and the movable By moving between the plates 143, the position of the movable plate 143 inside the connecting seat 144 can be changed. After determining the teaching position, the adjustment operation can be stopped. The auxiliary lighting tube 147 can be used for auxiliary lighting to ensure the teaching effect in rainy weather. The teaching content can be recorded by displaying the writing board 145 to improve the teaching efficiency.

In this embodiment, as shown in FIG. 5 , the automatic protective teaching dustproof protective cloth structure 15 includes a protective machine board 151 , a machine base 152 , an automatic rotating deceleration motor 153 , a rotating shaft 154 , a teaching protective mesh cloth 155 and accessories In the weight block 156, the lower left side of the protective machine plate 151 is bolted to the machine base 152; the upper left side of the machine base 152 is screwed with an automatic rotation reduction motor 153; the output shaft of the automatic rotation reduction motor 153 penetrates the machine base 152 is connected to the left end of the rotating shaft 154 through a coupling; the upper part of the teaching protective mesh 155 is screwed to the outer wall of the rotating shaft 154; the lower left and right sides of the teaching protective mesh 155 are screwed with With the counterweight 156, the teacher can connect the wireless communication module 10 through a smart phone through a wireless signal to control the smart host 8, so that the smart host 8 controls the automatic rotation deceleration motor 153 to drive the rotating shaft 154 to rotate, so that the teaching protective mesh 155 can be matched The free fall of the counterweight 156 can play a good protective effect on the sample, avoid the influence of dust, and ensure the teaching effect.

In this embodiment, specifically, multiple adjustment pipes 122 and adjustment bolts 123 are used, and the adjustment pipes 122 are sequentially sleeved on the outer wall of the supporting machine column 11 from top to bottom, and pass through the adjustment bolts 123 Tighten the connection settings.

In this embodiment, specifically, the output shaft of the long-axis rolling motor 133 penetrates the interior of the vertical seat 132 .

In this embodiment, specifically, the protective top plate 131 is made of an aluminum alloy plate, and the right lateral part is bolted to the upper end of the supporting machine column 11 .

In this embodiment, specifically, the connecting seat 142 is bolted to the lower left side of the supporting machine column 11 .

In this embodiment, specifically, the connecting seat 144 is bolted to the upper left side of the display rack 1 .

In this embodiment, specifically, the longitudinal lower end of the machine base 152 is bolted to the upper right side of the protective top plate 131 .

In this embodiment, specifically, the teaching protective mesh cloth 155 adopts two nylon mesh cloths, and is arranged on the front and rear parts of the adjustable teaching sample display seat structure 12 .

In this embodiment, specifically, two automatic rotation deceleration motors 153 and two rotating shafts 154 are used, and the automatic rotation deceleration motor 153 is arranged in the middle part of the left and right front and rear parts of the machine base 152 .

In this embodiment, specifically, the sample placing rack 121 adopts a plurality of aluminum alloy racks, and a hollow rubber pad is provided on the upper part.

In this embodiment, specifically, the movable splint 127 adopts a plurality of aluminum alloy plates with threaded holes on the inner lower side, the fixed baffle 124 adopts a plurality of aluminum alloy plates, and the movable splint 127 and Rubber pads are glued on the inner surface of the fixed baffle 124 .

In this embodiment, specifically, the teaching display cloth body 136 is a white writable canvas.

In this embodiment, specifically, the outer surfaces of the rotating shaft 135 and the output shaft of the long-axis rolling motor 133 are both engraved with a glyph anti-skid pattern.

In this embodiment, specifically, the teaching display writing board 145 is a white writeable PVC plastic board.

In this embodiment, specifically, the protective machine plate 151 is an aluminum alloy plate.

In this embodiment, specifically, the long-axis rolling motor 133 , the angle adjustment push rod 141 , the auxiliary lighting tube 147 , the automatic rotation deceleration motor 153 and the wireless communication module 10 are all connected to the smart host 8 with wires.

In this embodiment, specifically, the long-axis rolling motor 133 , the angle adjustment push rod 141 , the auxiliary lighting tube 147 , the automatic rotation deceleration motor 153 , the wireless communication module 10 and the intelligent host 8 are powered by the battery 9 .

In this embodiment, specifically, the wireless communication module 10 is connected to the teacher's smartphone or tablet computer through a wireless signal.

In this embodiment, specifically, the long-axis rolling motor 133 is a 775-type long-axis motor.

In this embodiment, specifically, the angle adjustment push rod 141 adopts an LX600 electric push rod with a telescopic stroke of 100-150 mm.

In this embodiment, specifically, the auxiliary lighting tube 147 is a white LED tube with a lamp socket.

In this embodiment, specifically, the automatic rotation deceleration motor 153 adopts a JM-08 type worm gear deceleration motor.

In this embodiment, specifically, the wireless communication module 10 adopts a HC-08 Bluetooth module.

In this embodiment, specifically, the intelligent host 8 adopts an stm32f103 type single chip microcomputer.

In this embodiment, specifically, the storage battery 9 is a 12V rechargeable aluminum-ion battery.

working principle

In the present invention, by placing the sample on the upper part of the sample placing rack 121, selecting a suitable selection hole 125, inserting the selection bolt 126 into the appropriate selection hole 125, and connecting and fixing with the movable splint 127, the fixing can be achieved by fixing The baffle plate 124 and the movable splint 127 are fixed to hold the sample, so as to facilitate the display operation. By loosening the adjustment bolt 123, the position of the adjustment tube 122 can also be adjusted. After the position is determined, the adjustment bolt 123 can be locked to ensure the display effect; The teacher can control the smart host 8 by connecting the wireless communication module 10 through the wireless signal through the smart phone, so that the smart host 8 controls the long-axis rolling motor 133 to operate, and at this time, the teaching display cloth body 136 is rotated in conjunction with the rotating shaft 135, that is, The teaching work of rolling display can be carried out, and the protective top plate 131 can play a good auxiliary protective role to ensure the teaching effect; the intelligent host 8 can be controlled by connecting the wireless communication module 10 through the wireless signal through the smart phone, so that the intelligent host 8 can control the angle Adjusting the push rod 141 between the connecting seat 142 and the movable plate 143 can change the position of the movable plate 143 inside the connecting seat 144. After the teaching position is determined, the adjustment operation can be stopped, and the auxiliary lighting tube 147 can be used for assistance. Lighting to ensure the teaching effect in rainy weather, the teaching content can be recorded through the teaching display writing board 145, and the teaching efficiency can be improved; the teacher can connect the wireless communication module 10 through a smart phone through a wireless signal, and can control the smart host 8, so that the smart host 8. Control the automatic rotation deceleration motor 153 to drive the shaft 154 to rotate, which can make the teaching protective mesh 155 and the counterweight 156 fall freely, which can play a good protective effect on the sample, avoid the influence of dust, and ensure the teaching effect. 151 can play a good top protective effect to ensure the protective effect.

Using the technical solutions described in the present invention, or those skilled in the art design similar technical solutions under the inspiration of the technical solutions of the present invention, and achieve the above technical effects, all fall within the protection scope of the present invention.

Claims (10)

1. An intelligent multifunctional computer science and technology display device, characterized in that, the intelligent multifunctional computer science and technology display device comprises a display rack (1), an internal thread hole (2), an adjustment screw ( 3), rotating handle (4), support feet (5), moving casters (6), control box (7), intelligent host (8), battery (9), wireless communication module (10), support column (11), adjustable teaching sample display seat structure (12), rolling protective teaching display cloth structure (13), adjustable auxiliary lighting teaching writing display board structure (14) and automatic protection teaching dustproof protective cloth structure ( 15), the inner four corners of the display rack (1) are provided with internally threaded holes (2); the adjustment screw (3) is longitudinally threaded into the interior of the internal threaded holes (2); the One end of the adjusting screw (3) is threadedly connected to the inside of the rotating handle (4), and the other end is bolted to the upper middle part of the support foot (5); the bottom four corners of the display rack (1) are bolted to move Casters (6); the inner right side of the display rack (1) is screwed with a control box (7); the inside of the control box (7) is screwed with an intelligent host (7) from left to right. 8), a battery (9) and a wireless communication module (10); the upper middle part of the display rack (1) is longitudinally bolted with a supporting machine column (11); the supporting machine column (11) is connected with a supporting machine column (11); An adjustable teaching sample display seat structure (12), a rolling protective teaching display cloth structure (13) and an adjustable auxiliary lighting teaching writing display board structure (14); the rolling protective teaching display cloth structure (13) It is connected with the automatic protection teaching dustproof protection cloth structure (15); the adjustable teaching sample display base structure (12) comprises a sample placing rack (121), an adjustment tube (122), an adjustment bolt (123), A fixed baffle plate (124), a selection hole (125), a selection bolt (126) and a movable splint (127), the left end of the sample placement rack (121) is bolted with an adjustment tube (122); the adjustment The front part of the pipe (122) is threadedly connected with an adjusting bolt (123); the upper left side of the sample placement rack (121) is bolted with a longitudinally arranged fixing baffle plate (124); the sample placement rack Selection holes (125) are formed in the interior of (121) sequentially from left to right; the selection bolts (126) pass through the interior of any of the selection holes (125), and are threadedly connected to the movable splint (127). 2. The intelligent multifunctional computer science and technology display device according to claim 1, wherein the rolling protective teaching display cloth structure (13) comprises a protective top plate (131), a stand (132) , long axis rolling motor (133), deep groove ball bearing (134), rotating shaft (135) and teaching display cloth body (136), the middle part of the lower right side of the protective top plate (131) is bolted with longitudinally arranged the vertical seat (132); the upper right lateral screw of the vertical seat (132) is connected with a long-axis rolling motor (133); the inner lower side of the vertical seat (132) is inlaid with a deep groove ball bearing (134); the horizontal right end of the rotating shaft (135) is provided with an interference fit on the inner ring of the deep groove ball bearing (134); the teaching display cloth body (136) is rolled and sleeved on the long-axis rolling motor (133) ) between the output shaft and the outside of the rotating shaft (135). 3. The intelligent multifunctional computer science and technology display device according to claim 1, wherein the adjustable auxiliary lighting teaching and writing display board structure (14) comprises an angle adjustment push rod (141), Connecting seat (142), movable board (143), connecting seat (144), teaching display writing board (145), support seat (146) and auxiliary lighting tube (147), the angle adjustment push rod (141) One end is axially connected to the interior of the connecting seat (142), and the other end is axially connected to the inner middle and lower side of the movable plate (143); the lower end of the movable plate (143) is axially connected to the interior of the connecting seat (144); The left surface of the movable board (143) is bolted with a teaching display writing board (145); the upper end of the movable board (143) is bolted to a horizontally arranged support seat (146); the support seat (146) Auxiliary lighting tube (147) is connected with the screw on the lower left side of the . 4. The intelligent multifunctional computer science and technology display device according to claim 1, characterized in that, said automatic protection teaching dustproof protection cloth structure (15) comprises a protective machine board (151), a machine base (15). 152), an automatic rotation deceleration motor (153), a rotating shaft (154), a teaching protective mesh cloth (155) and a counterweight (156), the lower left side of the protective machine plate (151) is bolted to the machine base (152); The upper left side of the machine base (152) is screwed with an automatic rotation deceleration motor (153); the output shaft of the automatic rotation deceleration motor (153) runs through the interior of the machine base (152) and is connected to the rotating shaft through a coupling The left end of (154); the upper part of the teaching protective mesh cloth (155) is screwed to the outer wall of the rotating shaft (154); the lower left and right sides of the teaching protective mesh cloth (155) are screwed with counterweights (156). 5. The intelligent and multifunctional computer science and technology display device according to claim 1, characterized in that, a plurality of said adjusting pipes (122) and adjusting bolts (123) are used, and said adjusting pipes (122) are sequentially sleeved on the outer wall of the supporting machine column (11) from top to bottom, and are fastened and connected by adjusting bolts (123). 6. The intelligent multifunctional computer science and technology display device according to claim 2, characterized in that, the output shaft of the long-axis rolling motor (133) runs through the interior of the stand (132). 7. The intelligent multifunctional computer science and technology display device according to claim 2, wherein the protective top plate (131) adopts an aluminum alloy plate, and the lateral right part is bolted to the supporting machine column (11). ) at the top. 8. The intelligent multifunctional computer science and technology display device according to claim 3, characterized in that, the connecting seat (142) is bolted to the lower left side of the supporting machine column (11). 9. The intelligent multifunctional computer science and technology display device according to claim 3, characterized in that, the connecting seat (144) is bolted to the upper left side of the display rack (1). 10. The intelligent multifunctional computer science and technology display device according to claim 4, wherein the longitudinal lower end of the machine base (152) is bolted to the upper right side of the protective top plate (131).

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